[backend] Add status filter for Sightings (#7220)

[Kedae]

Closes #7220

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.56%. Comparing base (b04dc34) to head (cad2078).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7266      +/-   ##
==========================================
+ Coverage   67.54%   67.56%   +0.01%     
==========================================
  Files         561      561              
  Lines       68747    68757      +10     
  Branches     5838     5840       +2     
==========================================
+ Hits        46437    46454      +17     
+ Misses      22310    22303       -7     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[Archidoit]

Ok for sightings. But the Status filter is also missing in Data > Relationships.

[Kedae]

Ok for sightings. But the Status filter is also missing in Data > Relationships.

Done :)